Hybrids. Also there are probably still a few natural gas or propane special use vehicles.

This is from their IPO filing. Here is one article about it: https://www.businessinsurance.com/anthropic-warns-ai-losses-could-exceed-insurance-industry-capacity/

There are two disturbing the peace. One is close to 2 miles away. The other is about 1 mile. Yes, they are that loud. We can hear them throughout our house with all windows and doors shut.

As someone who now lives near a data center I can verify the noise sucks. Hell moved in next door.